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The DGMX25PBAWS30 valve belongs to the SystemStak Modular Valves series and is manufactured by Vickers. It is pressure-operated, so system pressure alone moves the internal elements to control flow in hydraulic automation circuits. A screw and locknut adjustment lets maintenance staff set the required limit while preventing drift during service. The unit supervises the P (pressure) port and receives pilot feedback through port B, enabling stable pressure regulation within the stack. A maximum flow capacity of 120 L/min (32 US gpm) supports medium-size power units, and the ISO 4401-05 mounting interface allows the valve to stack directly between a subplate and additional modules without separate piping.
The design has no external drain, so return oil is routed internally and installation plumbing is reduced. A remote control port is also absent, meaning pressure is adjusted only at the built-in screw. The valve is intended for petroleum oils and relies on a cleanliness level of 19/17/14 to maintain spool integrity. A SAE-4 O-ring boss gauge port thread provides a sealed location for pressure instrumentation. Viton seals resist oil and temperature variations, helping preserve service life. Physical dimensions are 8.190 in (208.026 mm) in length, 2.820 in (71.628 mm) in width, and 2.360 in (59.944 mm) in height, data used when calculating stack height and enclosure space.
Actuation Type
Pressure Operated
Adjustment Type
Screw And Locknut
External Drain
No
Fluid Cleanliness
19/17/14
Fluid Compatibility
Petroleum Oils
Gauge Port Thread
SAE-4 O-Ring Boss
Height
2.360 in (59.944 mm)
Length
8.190 in (208.026 mm)
Maximum Flow
120 L/min (32 USgpm)
Mounting Interface
ISO 4401-05
Operated Port
P (Pressure)
Pilot Port
B
Remote Control Port
No
Seal Type
Viton
Width
2.820 in (71.628 mm)
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